11669537 has 4 divisors (see below), whose sum is σ = 12730416. Its totient is φ = 10608660.

The previous prime is 11669519. The next prime is 11669557. The reversal of 11669537 is 73596611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73596611 = 11 ⋅6690601.

It is a cyclic number.

It is not a de Polignac number, because 11669537 - 2⁶ = 11669473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11669537.

It is not an unprimeable number, because it can be changed into a prime (11669557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530423 + ... + 530444.

It is an arithmetic number, because the mean of its divisors is an integer number (3182604).

Almost surely, 2^11669537 is an apocalyptic number.

It is an amenable number.

11669537 is a deficient number, since it is larger than the sum of its proper divisors (1060879).

11669537 is a wasteful number, since it uses less digits than its factorization.

11669537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060878.

The product of its digits is 34020, while the sum is 38.

The square root of 11669537 is about 3416.0704032558. The cubic root of 11669537 is about 226.8216690184.

The spelling of 11669537 in words is "eleven million, six hundred sixty-nine thousand, five hundred thirty-seven".